From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933024Ab1EMNYk (ORCPT ); Fri, 13 May 2011 09:24:40 -0400 Received: from casper.infradead.org ([85.118.1.10]:43406 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751194Ab1EMNYi convert rfc822-to-8bit (ORCPT ); Fri, 13 May 2011 09:24:38 -0400 Subject: Re: Sched_autogroup and niced processes From: Peter Zijlstra To: Mike Galbraith Cc: Ingo Molnar , Yong Zhang , Carl-Johan Kjellander , linux-kernel@vger.kernel.org In-Reply-To: <1305292406.27263.20.camel@marge.simson.net> References: <1305273950.15080.7.camel@marge.simson.net> <20110513082250.GB13647@elte.hu> <1305276066.2561.1.camel@twins> <20110513090537.GH13647@elte.hu> <1305277666.2561.9.camel@twins> <20110513092933.GL13647@elte.hu> <1305279990.2466.4.camel@twins> <20110513100411.GA21022@elte.hu> <1305292406.27263.20.camel@marge.simson.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Fri, 13 May 2011 15:24:30 +0200 Message-ID: <1305293070.2466.32.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2011-05-13 at 15:13 +0200, Mike Galbraith wrote: > > > Still, the other important problem is that we still seem to have a bug, even > > with the cgroup set to low prio seti@home is sucking up CPU resources ... > > I don't see how. Agreed, with two groups, a spinner each, and then setting the group weight low yields things like: 1927 root 20 0 105m 672 192 R 98.1 0.0 0:20.50 bash 1933 root 20 0 105m 656 180 R 2.0 0.0 0:07.29 bash So all just seems to work as advertised.